public void GenerateLegalMoves()
{
Board board = new Board();
//pawn in front of king
var initialPosition = board.GetCell(6, 4);
var targetPosition = board.GetCell(5, 4);
var move = new Move(initialPosition, targetPosition, null);
var player = new Player(board, PieceColor.White);
player.MakeMove(move);
//move king
var initialPositionKing = board.GetCell(7, 4);
var targetPositionKing = board.GetCell(6, 4);
var moveKing = new Move(initialPositionKing, targetPositionKing, null);
player.MakeMove(moveKing);
King king = (King)targetPositionKing.Piece;
var list = king.GenerateLegalMoves();
Assert.Equal(3, list.Count());
}